| article html file updated | 6 February 2020 14:27 CET | Update | https://www.mdpi.com/1422-0067/15/12/23227 |
| article html file updated | 20 September 2019 16:00 CEST | Update | - |
| article html file updated | 7 May 2019 03:58 CEST | Update | - |
| article html file updated | 25 March 2019 19:15 CET | Update | - |
| article html file updated | 21 August 2015 04:08 CEST | Update | - |
| article html file updated | 6 January 2015 09:17 CET | Original file | - |
| article xml file uploaded | 6 January 2015 09:17 CET | Original file | https://www.mdpi.com/1422-0067/15/12/23227/xml |
| article pdf uploaded. | 15 December 2014 09:59 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/23227/pdf |
